The answer is c because thats the number when combined with a metal. +1 is when its combined with a nonmetal.
Answer:
This formula contains 12 oxygen atoms.
c) the government hires workers to install street lights
hope this helps!
Burning and other changes in matter do not destroy matter. The mass of matter is always the same before and after the changes occur. The law of conservation of mass states that matter cannot be created or destroyed
